/*
 * Copyright (c) 2008 VMware, Inc.
 * Copyright (c) 2009 John Pritchard, WTKX Project Group
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package wtkx.wtk.media;

import wtkx.io.SerializationException;
import wtkx.wtk.Dimensions;
import wtkx.wtk.Visual;

import java.awt.image.BufferedImage;
import java.io.BufferedInputStream;
import java.io.InputStream;
import java.io.IOException;
import java.net.URL;

/**
 * Abstract base class for images. An image is either a bitmapped "picture"
 * or a vector "drawing".
 *
 * @author gbrown
 */
public abstract class Image
    implements Visual
{
    public static Image load(URL url) {
        try {
            InputStream in = url.openStream();
            try {
                BufferedImageSerializer reader = new BufferedImageSerializer();
                BufferedImage bufferedImage = reader.readObject(in);
                return new Picture(bufferedImage);
            }
            finally {
                in.close();
            }
        }
        catch (IOException exc) {
            throw new RuntimeException(exc);
        }
        catch (SerializationException exc) {
            throw new RuntimeException(exc);
        }
    }


    protected Image(){
        super();
    }

    public Dimensions getSize() {
        return new Dimensions(getWidth(), getHeight());
    }
}
